| Name | CVE-2019-13117 |
| Description | In numbers.c in libxslt 1.1.33, an xsl:number with certain format strings could lead to a uninitialized read in xsltNumberFormatInsertNumbers. This could allow an attacker to discern whether a byte on the stack contains the characters A, a, I, i, or 0, or any other character. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-1860-1, ELA-142-1 |
| Debian Bugs | 931321, 933743 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| libxslt (PTS) | jessie, jessie (lts) | 1.1.28-2+deb8u7 | fixed |
| stretch (lts), stretch | 1.1.29-2.1+deb9u3 | fixed | |
| buster (security), buster, buster (lts) | 1.1.32-2.2~deb10u2 | fixed | |
| bullseye (security), bullseye | 1.1.34-4+deb11u1 | fixed | |
| bookworm | 1.1.35-1 | fixed | |
| sid, trixie | 1.1.35-1.1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| libxslt | source | wheezy | 1.1.26-14.1+deb7u5 | ELA-142-1 | ||
| libxslt | source | jessie | 1.1.28-2+deb8u5 | DLA-1860-1 | ||
| libxslt | source | stretch | 1.1.29-2.1+deb9u1 | |||
| libxslt | source | buster | 1.1.32-2.1~deb10u1 | |||
| libxslt | source | (unstable) | 1.1.32-2.1 | low | 931321, 933743 |
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=14471
https://gitlab.gnome.org/GNOME/libxslt/commit/c5eb6cf3aba0af048596106ed839b4ae17ecbcb1
https://oss-fuzz.com/testcase-detail/5631739747106816